2011-T6 Aluminum alloy,Aluminum 2011-T6 alloy,E FORU

### **2011-T6 Aluminum Alloy Product Introduction** **1. Overview** 2011-T6 is a specific temper of the free-machining aluminum-copper alloy 2011, representing a solution heat-treated and artificially aged condition to achieve peak strength. The "T6" temper designation indicates that the material has been solution heat-treated followed by artificial aging to obtain maximum mechanical properties. This temper offers the highest strength combination with excellent machinability, making it ideal for high-stress applications requiring precision machining. **2. Chemical Composition (Typical, % by Weight)** The composition maintains the standard 2011 aluminum alloy specification with optimized elements for peak performance. | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | Balance | | **Copper (Cu)** | 5.0-6.0 | | **Lead (Pb)** | 0.2-0.6 | | **Bismuth (Bi)** | 0.2-0.6 | | **Iron (Fe)** | ≤0.7 | | **Silicon (Si)** | ≤0.4 | | **Zinc (Zn)** | ≤0.3 | | **Other Elements (Each)** | ≤0.05 | | **Other Elements (Total)** | ≤0.15 | *Note: The lead and bismuth content ensures superior free-machining characteristics while copper enables effective precipitation hardening through artificial aging.* **3. Physical Properties** | Property | Value | |----------|-------| | **Density** | 2.83 g/cm³ | | **Melting Point** | 540-645°C | | **Electrical Conductivity** | 43% IACS | | **Thermal Conductivity** | 148 W/(m·K) | | **Coefficient of Thermal Expansion** | 23.0 × 10⁻⁶/K (20-100°C) | | **Modulus of Elasticity** | 70 GPa | **4. Mechanical Properties (Typical for T6 Temper)** The T6 temper provides the highest mechanical properties achievable for 2011 aluminum. | Property | Value | |----------|-------| | **Tensile Strength** | 380-420 MPa | | **Yield Strength (0.2% Offset)** | 280-320 MPa | | **Elongation (% in 50mm)** | 8-12% | | **Hardness (Brinell)** | 100-115 HB | | **Fatigue Strength** | 130-150 MPa | | **Shear Strength** | 220-250 MPa | *Key Characteristics of T6 Temper:* * **Maximum Strength**: Peak mechanical properties through artificial aging * **Excellent Machinability**: Maintains superior free-machining characteristics * **Good Wear Resistance**: Suitable for bearing surfaces and moving parts * **Dimensional Stability**: Artificially aged to maximum stability **5. Product Applications** 2011-T6 aluminum is used in high-stress applications requiring maximum strength and precision machinability. * **Aircraft Components**: High-strength structural fittings and aircraft fasteners * **Automotive Racing**: High-performance engine and transmission components * **Precision Fasteners**: High-strength screws, bolts, and critical fasteners * **Hydraulic Systems**: High-pressure valve bodies and pump components * **Industrial Machinery**: High-stress gears, shafts, and machine parts * **Defense Equipment**: Firearm components and critical military hardware * **Robotics**: Precision components and high-strength robotic parts **6. International Standards** 2011-T6 is recognized under major international standardization systems. | Standard System | Designation | |-----------------|-------------| | **EN (Europe)** | EN AW-2011 T6 | | **ISO** | AlCu6BiPb T6 | | **ASTM (USA)** | ASTM B211 2011 T6 | | **UNS (USA)** | UNS A92011 T6 | | **JIS (Japan)** | A2011 T6 | | **GB (China)** | 2A11 T6 | --- **Summary** **2011-T6 Aluminum Alloy** represents the **peak-aged temper** that delivers the **highest strength characteristics combined with exceptional machinability**. The T6 condition achieves maximum mechanical properties through solution heat treatment followed by artificial aging, providing superior tensile and yield strength while maintaining the excellent free-machining characteristics of the 2011 base alloy. This combination makes 2011-T6 particularly valuable for aircraft structural components, high-performance automotive parts, critical fasteners, and applications demanding both maximum mechanical strength and precision machinability. While offering reduced formability compared to T4 temper, the T6 condition provides the optimal balance for applications where strength and machinability are paramount. Its proven performance in demanding environments establishes it as the premium choice for high-stress applications across aerospace, automotive racing, defense, and precision engineering industries.

Packing of Standard Packing: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 1509 gallon liquid totes Special package is available on request.